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MELSEC-Q 
 
1    GENERAL SPECIFICATIONS AND PRECAUTIONS FOR USE 
1.3.3 Switch setting of interrupt module 
Perform the switch setting on the I/O assignment tab of PLC parameter when 
operating the interrupt input for QI60, QX40H, QX70H, QX80H, or QX90H. 
Select "Interrupt" in the "Type" combo box on the I/O assignment tab of PLC 
parameter. Then, click the "Switch setting" button, and then select "HEX" in the "Input 
format" combo box. Lastly, set 0 (leading edge) or 1 (trailing edge) in the "Switch 1" 
box for the interrupt processing. 
 
 
 
Set the interrupt processing condition with switch 1. The relationships between bits and inputs are as indicated 
below. 
 
 
 
0: Leading edge, 1: Trailing edge 
 
Choose HEX.
Choose Interrupt. Choose Switch setting.
Set the interrupt processing conditions 
(leading edge/trailing edge) of CH1 to CH16.
Setting inhibited.
XF
XE XD XC XB XA X9 X8 X7 X6 X5 X4 X3 X2 X1 X0
b0b15 to